Hennigar; Douglas R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hennigar; Douglas R..The latest application filed is for "locking device for recumbent stepper".
- Hennigar; Douglas R. - Ann Arbor MI
| Patent | Date |
|---|---|
| Locking device for recumbent stepper Grant 11,097,151 - Weber , et al. August 24, 2 | 2021-08-24 |
| Locking Device For Recumbent Stepper App 20190126094 - Weber; Matthew P. ; et al. | 2019-05-02 |
| Instrumented total body recumbent cross trainer system Grant 10,258,823 - Cole , et al. | 2019-04-16 |
| Locking device for recumbent stepper Grant 10,150,000 - Weber , et al. Dec | 2018-12-11 |
| Locking Device For Recumbent Stepper App 20180028859 - Weber; Matthew P. ; et al. | 2018-02-01 |
| Locking device for recumbent stepper Grant 9,757,612 - Weber , et al. September 12, 2 | 2017-09-12 |
| Instrumented Total Body Recumbent Cross Trainer System App 20160361597 - Cole; Neil M. ; et al. | 2016-12-15 |
| Locking Device For Recumbent Stepper App 20150217159 - Weber; Matthew P. ; et al. | 2015-08-06 |
| Multi-function beeper and housing Grant 5,764,131 - Twining , et al. June 9, 1 | 1998-06-09 |
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